Orbisonia/rockhill Muni Auth - Rockhill STP
Orbisonia, PA · Huntingdon County · Publicly Owned Treatment Works
- Average flow
- 0.08 MGD
- Design flow
- 0.18 MGD
- NPDES permit
- PA0021695
- Effective
- Permit expires
- March 2028
- Population served
- —
- CWNS 2022
Orbisonia/rockhill Muni Auth - Rockhill STP is a publicly owned wastewater treatment works in Orbisonia, Huntingdon County, Pennsylvania treating an average of 0.08 million gallons per day against a permitted design capacity of 0.18 MGD. It discharges under NPDES permit PA0021695 (effective), which expires in March 2028, with 4 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Orbisonia/rockhill Muni Auth - Rockhill STP.
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Pennsylvania
Shade Gap · 5 mi away
0.0057 MGD
Three Springs · 5 mi away
0.04 MGD
Mount Union · 10 mi away
0.34 MGD
Mapleton Depot · 11 mi away
0.02 MGD
Fort Littleton · 11 mi away
0.0028 MGD
Wood · 12 mi away
0.02 MGD
Mill Creek · 13 mi away
0.06 MGD
Fort Littleton · 13 mi away
0.01 MGD
Orbisonia/rockhill Muni Auth - Rockhill STP: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed September 11, 2026; facility record last updated October 2, 2025.